Katsuura — VanSky 74 (Comfortable)

District seat · Chiba Prefecture, Japan

21° Cloudy

VanSky

Comfortable

Comfortable days: 7 of 7 Best window: Fr–Su Worse later this week

Feels like

19°C

Wind

33 km/h

Precip

Humidity

67%

—

05:44 / 17:04

VanSky index for Katsuura, Japan — 74 out of 100 (Comfortable). Decide in seconds: temperature, precipitation, wind and solar output. Data refreshed several times a day from real weather observations.

The main score is weekly (7-day average). The “Today” toggle shows the current day, and the region page compares cities “by area”.

Katsuura, Japan — VanSky 74 out of 100. Comfortable for a route. Ranked #1209 of 1486 cities in the country (as of 14 October 2026). Temperature 23°C, wind 33 km/h. Solar panels yield 0.8 kWh/day at 400 W — enough for full autonomy.

∅ 7-day average

Sleep

21°C

Night temperature

Solar

0.8 kWh

for 500W panels • sunny 5h

Driving

33 km/h

Wind speed (gusts 44)

Condensation

Low

67%

Humidity level • Dew point 15°C comfortable

Awning

Caution

44 km/h

Max gusts

Air Quality

Fair

34 AQI

PM2.5: 9.5 μg/m³

Upcoming forecast

15.10

day

23°

night

21°

solar

0.8 kWh

wind

33 km/h

gusts 44 км/ч

VanSky 83

comfort

16.10

day

22°

night

21°

solar

1 kWh

wind

13 km/h

VanSky 83

comfort

17.10

day

22°

night

21°

solar

1.9 kWh

wind

33 km/h

gusts 44 км/ч

VanSky 89

comfort

18.10

day

23°

night

20°

solar

1.6 kWh

wind

21 km/h

VanSky 93

comfort

19.10

day

25°

night

23°

solar

1.2 kWh

wind

34 km/h

gusts 48 км/ч

VanSky 76

comfort

20.10

day

25°

night

24°

solar

1.7 kWh

wind

35 km/h

gusts 48 км/ч

VanSky 68

comfort

21.10

day

25°

night

24°

solar

1.6 kWh

wind

47 km/h

gusts 68 км/ч

VanSky 66

comfort

Katsuura on map

Open full map →

Open-Meteo

Solar — W Panels W

Today's output

Peak hours

1.9h

sunny 5h

Usage estimate

Travel recommendations

Low solar output (~0.8 kWh) — reduce power use or connect to shore power.
Gusts up to 44 km/h — open awning with caution and watch the forecast.
Perfect night (21°C) — comfortable without heating or air conditioning.
Comfortable temperature (23°C) — ideal for outdoor work and hiking.

Air Quality Today

Good

Fair

Moderate

Poor

Danger

Fair

Air quality is acceptable — minor pollutants, most people won't notice.

PM2.5

9.5

μg/m³

Good

Dust

μg/m³

Good

Pollen

—

Similar by VanSky

Cities with a close score — route alternatives

VanSky Index

A weather comfort index for travel: a 0–100 score. Recalculated daily from live weather data — temperature, rainfall, wind and sun.

80–100 Ideal

60–79 Comfortable

40–59 Acceptable

20–39 Challenging

0–19 Extreme

How it's calculated:

Thermal comfort 35%
Sunshine 25%
Precipitation 25%
Wind 15%

Data: Open-Meteo · Updated several times a day

Where the weather is best in Japan

Katsuura ranks 1358 of 1486 cities. Country average VanSky — 91.

Best

Harshest

All 1486 cities in the country

Frequently Asked Questions

Is it possible to live in a motorhome in Katsuura?

The weekly VanSky index for Katsuura is 74 out of 100 (7-day average). Above 60 is comfortable for parking, below 40 — consider alternatives. Check the 7-day forecast on this page.

What is the solar panel output in Katsuura?

Solar panel output data for Katsuura is calculated from real peak sun hours. The result is shown in the Solar section — you can adjust it to your panel wattage.

How does VanSky calculate the comfort index for Katsuura?

The index for Katsuura is calculated using: thermal comfort (temperature + humidity), precipitation, wind, and solar activity. Extreme conditions — frost, storm, heavy rain — drive the score toward zero.